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Projectile Motion
Test Description: Weight and projectile motion questions
Instructions: Answer all questions to get your test result.
1) A projectile's path through space is known as its
A
parabola
B
freefall
C
trajectory
D
maximum height
2) The U shape curve a projectile's trajectory makes is called
A
flight time
B
maximum height
C
parabola
D
trajectory
3) The highest point in a projectile's trajectory is called
A
free fall
B
trajectory
C
maximum height
D
range
4) The horizontal distance a projectile travels is its
A
maximum height
B
range
C
parabola
D
trajectory
5) Accelerating only due to gravity and no other outside forces is also called
A
flight time
B
free fall
C
range
D
projectile
6) Any object in the air that accelerates only due to gravity(in freefall) is called a
A
flight time
B
projectile
C
maximum height
D
trajectory
7) x in projectile equations stands for
A
the vertical distance traveled
B
the cancelling of velocities
C
the horizontal distance traveled
D
the up or downward direction
8) y stands for in projectile equations
A
the vertical distance traveled
B
the horizontal distance traveled
C
the every day question of 'why must I have to do this'
D
the side to side distance traveled
9) What is the difference between mass and weight
A
mass includes the downward acceleration due to gravity
B
weight includes the downward acceleration due to gravity
C
they are the same thing
D
your mass can change, weight cannot
10) What is the unit for weight?
A
kg, kilograms
B
m, meters
C
lbs, pounds
D
N, newton
11) g stands for the acceleration due to gravity. What is the value of the constant?
A
it varies on Earth
B
9.8m/s^s
C
8.9m/s^s
D
1.6m/s^s
12) What angle gives a projectile its farthest range?
A
75 degrees
B
90 degrees
C
15 degrees
D
45 degrees
13) What angle gives a projectile its maximum height?
A
45 degrees
B
15 degrees
C
75 degrees
D
90 degrees
14) assuming no air resistance, what effect does mass have on a projectile's trajectory?
A
a larger mass increases the range
B
a larger mass falls at a faster rate
C
all objects fall at the same rate, regardless of mass. So no effect
D
a smaller mass falls at a faster rate
15) What is the weight of a 25.0kg child on Earth?
A
2.55N
B
245lbs
C
245N
D
0.392N
16) A man has a weight of 745N on Earth. What is his mass?
A
7301kg
B
0.013kg
C
89kg
D
76.0kg
17) An 89kg man has a weight of 143N on the moon. What is the value of g on the moon?
A
2.2m/s^s
B
1.6m/s^s
C
5.4m/s^s
D
7.6m/s^s
18) If you increase the initial velocity of a launch from 20m/s to 50m/s, what would you expect to happen to the projectile?
A
It will have a farther range
B
It will have a shorter range
C
nothing
D
It will fall vertically at a faster rate
19) Which equation would you use if you had to find the range of a projectile launched horizontally?
A
x = vi t
B
x = vi cos(theta) t
C
w=mg
D
y = 1/2 g t^2
20) Which equation would you use if you had to find the vertical distance traveled of a projectile launched horizontally?
A
x = vi t
B
w=mg
C
x = vi cos(theta) t
D
y = 1/2 g t^2
*select an answer for all questions
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